import getDriver from "../../../util/neo4j";

const driver = getDriver();
const session = driver.session();

export default async function handler(req, res) {
  const {
    query: { title },
    method,
  } = req;
  const movieTitle = decodeURIComponent(title);

  switch (method) {
    case "GET":
      try {
        const movieTxResultPromise = session.readTransaction(
          async (transaction) => {
            const cypher = `
              MATCH (movie:Movie {title: $movieTitle})
              RETURN movie {.*,
                actors: [ (actor)-[:ACTED_IN]->(movie) | actor.name ],
                directed: [ (director)-[:DIRECTED]->(movie) | director.name ]
              } as movie
            `;

            const movieTxResponse = await transaction.run(cypher, {
              movieTitle,
            });
            const [movie] = movieTxResponse.records.map((r) => r.get("movie"));
            return movie;
          },
        );
        const movie = await movieTxResultPromise;
        res.status(200).json({ success: true, movie });
      } catch (error) {
        res.status(400).json({ success: false });
      }
      break;
    default:
      res.status(400).json({ success: false });
      break;
  }
}
